Nitta Gelatin hired Erika Tchang as the business development manager for its Wellnex collagen peptides product line. Tchang’s role is focused on developing the North American and European markets for collagen peptides.   “Nitta Gelatin played an integral role in bringing products containing collagen peptides into the Japanese market and served as a pioneer in the skin health and ‘beauty from within’ arenas as well as developing functional food and joint health expertise. With a new collagen pe...